Destroy an aircraft with your main guns

Complete a mission despite taking enough damage to sink four times over

Destroy a Super Typhoon before it can release its payload

Destroy a surface ship with anti-submarine weapons

Destroy a Lockheed CL-1201 nuclear-powered airplane

Destroy a paradropping ship before it can land

Create a ship that uses every single ton of displacement

In a single mission, destroy 20 ships by ramming them

Take to the skies!

Create a destroyer that has at least 40 weapons

Complete the Midway Raceway in under 3 minutes

Complete the Cloudy Crest Circuit in under 3 minutes

Use an assist

Win the top prize in Score Attack (Destroyer)

Win the top prize in Score Attack (Cruiser)

Win the top prize in Score Attack (Battleship)

Use a custom difficulty setting

Complete the stress test mission

Find every treasure